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Finding the Fourth Proportional to 240,479.66, 331,871.69 and 133,047.94

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Solution

The fourth proportional to 240,479.66, 331,871.69 and 133,047.94 is: 183,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,479.66 : 331,871.69 = 133,047.94 : x
  2. Step 2: Convert to fraction form
    240,479.66/331,871.69 = 133,047.94/x
  3. Step 3: Cross multiply
    240,479.66x = 331,871.69 × 133,047.94
  4. Step 4: Simplify right side
    240,479.66x = 44,154,844,201.76
  5. Step 5: Solve for x
    x = 44,154,844,201.76/240,479.66
  6. Step 6: Final answer
    x = 183,611.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.